With the development of city construction, industry development, and the destruction of the vegetation , noise is everywhere, in the city and the long journey, the noise will affect the mood of listening to the music, the appearance of headphones in a lot of time is called the high fidelity of cheap solution, small volume, light weight also made headphones people travel good companion. Today to introduce it by this union electronic launched today KDM - 730 headset, prevent and beautiful sound quality performance can be used as your another choice.